Aquarius 21 vs Clipper 21
How do the Aquarius 21 and Clipper 21 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Aquarius 21 | Aquarius 21 | Clipper 21 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 20.9 ft6.36 m |
| Waterline length | 18.3 ft5.56 m | 16.7 ft5.08 m |
| Beam | 7.8 ft2.38 m | 7.3 ft2.21 m |
| Draft | 4.5 ft1.37 m | 4.3 ft1.32 m |
| Displacement | 1,900 lb862 kg | 1,800 lb816 kg |
| Ballast | 665 lb302 kg | 410 lb186 kg |
| Sail area | 163 ft²15.1 m² | 192 ft²17.8 m² |
| SA / Displacement | 17.00 | 20.76 |
| Displacement / Length | 140 | 173 |
| Comfort ratio | 9.9 | 11.1 |
| Capsize screening | 2.53 | 2.38 |
| Hull speed (kn) | 5.7 | 5.5 |
Aquarius 21 vs Clipper 21: the short version
- The Aquarius 21 and Clipper 21 are close in length (21.0 ft6.40 m vs 20.9 ft6.36 m ).
- On sail area/displacement the Clipper 21 carries the more powerful rig (20.8 vs 17.0), favouring lighter-air performance.
- The Clipper 21 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Clipper 21 rates better for offshore work (2.38 vs 2.53).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.